/Engine/Plugins/Experimental/CinematicPrestreaming/Source/CinematicPrestreaming/Public/Sections/MovieSceneCinePrestreamingSection.h
UMovieSceneSectioninterface
virtual [TOptional](API\Runtime\Core\IO\TOptional)< [FFrameTime](API\Runtime\Core\Misc\FFrameTime) > GetOffsetTime() const